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authentication sign on

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How to do 2 step authentication sign in barcode

How to do 2 step authentication sign in barcode

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When you enable 2FA for the Firefox account then you get a QR code that you need to scan with an Authenticator app that generates a 6-digit code that you need to enter to confirm that 2FA is working. You can generate and backup recovery codes that you can use instead of the 6-digit 2FA.